CN-122016134-A - Multidimensional wheel force sensor and mounting structure thereof

CN122016134ACN 122016134 ACN122016134 ACN 122016134ACN-122016134-A

Abstract

The invention provides a multidimensional wheel force sensor and a mounting structure thereof, wherein the sensor comprises an inner support, an outer support and an elastic body connected therebetween, the elastic body is provided with radial beams arranged around the center, support beams connected between adjacent radial beams and connected with the inner support and the outer support, and Zhou Xiangliang connected with the inner support or the outer support, and can obtain high rigidity and wide range in a limited space; the sensor mounting structure is optimally designed, can realize nondestructive mounting and furthest control unsprung mass increase, solves the problems that the volume and performance of the traditional sensor are difficult to consider and the original state of a vehicle is influenced by mounting, and has the advantages of small volume, wide range, high precision and high adaptability.

Inventors

WANG YONG
HUANG YUANZHE
CHEN ENWEI
CHEN PIN
LU YIMIN
Xiao feiyun
LIU ZHENGSHI

Assignees

合肥工业大学
合肥辩日医疗科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260212

Claims (10)

1. A multi-dimensional wheel force sensor, comprising: an inner support, a center point of the inner support configured as a coordinate origin; an outer support disposed around the origin of coordinates; an elastomer connected to the inner support and/or the outer support, the elastomer comprising at least: the radial beams are arranged at the origin of coordinates of the radial Liang Huanrao and are connected with the inner support and/or the outer support; and the supporting beams are arranged between at least part of adjacent radial beams and are connected with the inner support and the outer support.
2. The multi-dimensional wheel force sensor of claim 1, wherein the elastomer further comprises a circumferential beam, opposite ends of the number of circumferential beams are connected to the outer support or the inner support, and the circumferential connection beams are disposed around the origin of coordinates; One end of the radial beam and the inner side wall of the circumferential beam form a T-shaped connecting structure, the other end of the radial beam and the inner support form a T-shaped connecting structure, or one end of the radial beam and the outer support form a T-shaped connecting structure, and the other end of the radial beam and the outer side wall of the circumferential beam form a T-shaped connecting structure.
3. The multi-dimensional wheel force sensor of claim 2, wherein the circumferential beam is further provided with a first through hole or a first strain groove extending therethrough in a height direction thereof.
4. The multi-dimensional wheel force sensor of claim 2, wherein the support beam is provided with a second through hole or a second strain groove penetrating in a height direction thereof.
5. A multi-dimensional wheel force sensor according to claim 3, wherein the elastic body is provided with a first strain measuring element and/or a second strain measuring element for measuring the radial force component strain, and the first strain measuring element and/or the second strain measuring element are attached to both sides of the circumferential beam in the width direction thereof and are located at both sides of the first through hole or the first strain groove.
6. The multi-dimensional wheel force sensor according to claim 1, wherein the elastic body is provided with a first strain measuring element and/or a second strain measuring element for measuring a radial force component strain, and the first strain measuring element and/or the second strain measuring element are attached to both sides of the radial beam in the width direction thereof.
7. The multi-dimensional wheel force sensor of claim 6, wherein the radial beam is further provided with a third through hole or a third strain groove penetrating along a height direction thereof, and the first strain measurement element and/or the second strain measurement element are arranged on both sides of the third through hole or the third strain groove along a width direction of the radial beam.
8. The multi-dimensional wheel force sensor according to claim 4, wherein the radial beam is provided with third and/or fourth strain measuring elements for measuring bending moment component strain on both sides thereof in the height direction, the support beam is provided with fifth strain measuring elements for measuring axial force component strain on both sides thereof in the height direction, or the support beam is provided with third and/or fourth strain measuring elements for measuring bending moment component strain on both sides thereof in the height direction, and the radial beam is provided with fifth strain measuring elements for measuring axial force component strain on both sides thereof in the height direction.
9. The multi-dimensional wheel force sensor according to claim 4, wherein the support beam is provided with sixth strain measurement elements for measuring a torque component on both sides in a width direction thereof, the sixth strain measurement elements being attached to both sides of the second through hole or the second strain groove.
10. A multidimensional wheel force sensor mounting structure, characterized by comprising the multidimensional wheel force sensor according to any one of claims 1 to 9, wherein a supporting end of the multidimensional wheel force sensor is connected to a brake component or a wheel supporting part through a supporting component, and a loading end of the multidimensional wheel force sensor is connected to a hub or a spoke through a connecting component.

Description

Multidimensional wheel force sensor and mounting structure thereof Technical Field The invention relates to the technical field of sensors, in particular to a multidimensional wheel force sensor and an installation structure thereof. Background The multidimensional wheel force sensor can measure acting force and/or moment between the tire and the road surface in real time in the running process of the vehicle, and is an important foundation for vehicle dynamics modeling, whole vehicle performance development and intelligent driving perception. However, existing multi-dimensional wheel sensors are ubiquitous in multiple contradictions between miniaturization and high performance, mounting suitability, and vehicle running stability. The traditional sensor structure design usually sacrifices bearing capacity when pursuing high sensitivity, and easily causes volume increase and structure heaviness when improving rigidity and measuring range, which is unfavorable for engineering application, and the structure of a brake system or a hub is usually required to be changed or an adapter part is additionally arranged when the sensor structure is installed, so that the sensor structure is complex to install, significant extra mass is introduced, unsprung mass is increased, and the running smoothness, steering stability, grounding characteristics of wheels and the like of a vehicle are seriously deteriorated. Therefore, there is a need to design a multi-dimensional wheel force sensor, which can fundamentally solve the above contradiction, realize high compactness and light weight of the sensor structure in a limited installation space, ensure that the sensor structure has a sufficiently large load range, a high structure natural frequency, good measurement sensitivity and isotropy, and can be integrated in an original wheel hub system of a vehicle in a mode of minimized modification and high adaptability, so as to provide a reliable, accurate and extremely small multi-dimensional wheel force measurement means for testing the vehicle. Disclosure of Invention The invention provides a multidimensional wheel force sensor and an installation structure thereof, which solve the technical problems that the volume and the performance of the multidimensional wheel force sensor are difficult to be compatible and the installation affects the original state of a vehicle and the running stability of the vehicle under the condition of limited installation space. The invention provides a multidimensional wheel force sensor, comprising: an inner support, a center point of the inner support configured as a coordinate origin; an outer support disposed around the origin of coordinates; an elastomer connected to the inner support and/or the outer support, the elastomer comprising at least: the radial beams are arranged at the origin of coordinates of the radial Liang Huanrao and are connected with the inner support and/or the outer support; and the supporting beams are arranged between at least part of adjacent radial beams and are connected with the inner support and the outer support. In an embodiment of the present invention, the elastic body further includes a circumferential beam, opposite ends of the circumferential beams are connected to the outer support or the inner support, and the circumferential connection beams are disposed around the origin of coordinates; one end of the radial beam and the inner side wall of the circumferential beam form a T-shaped connecting structure, the other end of the radial beam and the inner support form a T-shaped connecting structure, or one end of the radial beam is connected with the outer support to form a T-shaped connecting structure, and the other end of the radial beam and the outer side wall of the circumferential beam form a T-shaped connecting structure. In an embodiment of the present invention, the circumferential beam is provided with a first through hole and a first strain groove penetrating along a height direction thereof. In an embodiment of the present invention, the support beam is provided with a second through hole or a second strain groove penetrating along the height direction. In an embodiment of the present invention, the elastic body is provided with a first strain measurement element and/or a second strain measurement element for measuring a radial force component strain, and the first strain measurement element and/or the second strain measurement element are attached to two sides of the circumferential beam along the width direction thereof and are located at two sides of the first through hole or the first strain groove. In an embodiment of the present invention, the elastic body is provided with a first strain measurement element and/or a second strain measurement element for measuring a radial force component strain, and the first strain measurement element and/or the second strain measurement element are attached to two sides of the radial beam along a width directi